package com.jjlin.interceptor;

import com.jjlin.entity.User;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

//登录拦截器
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
                             Object handler) throws Exception {
        User user = (User) request.getSession().getAttribute("user");
        if(user == null){
            response.sendRedirect("/admin");
            return false;
        }
        return true;
    }
}
